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dd8086772d
and print settings if only `/correction` is run.
486 lines
14 KiB
C
486 lines
14 KiB
C
/*
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* capabilities.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
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*
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* This file is part of Profanity.
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*
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* Profanity is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Profanity is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link the code of portions of this program with the OpenSSL library under
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* certain conditions as described in each individual source file, and
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* distribute linked combinations including the two.
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*
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* You must obey the GNU General Public License in all respects for all of the
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* code used other than OpenSSL. If you modify file(s) with this exception, you
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* may extend this exception to your version of the file(s), but you are not
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* obligated to do so. If you do not wish to do so, delete this exception
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* statement from your version. If you delete this exception statement from all
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* source files in the program, then also delete it here.
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*
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*/
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#include "config.h"
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#ifdef HAVE_GIT_VERSION
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#include "gitversion.h"
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#ifdef HAVE_LIBMESODE
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#include <mesode.h>
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#endif
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#ifdef HAVE_LIBSTROPHE
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#include <strophe.h>
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#endif
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#include "common.h"
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#include "log.h"
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#include "event/client_events.h"
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#include "plugins/plugins.h"
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#include "config/files.h"
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#include "config/preferences.h"
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#include "xmpp/xmpp.h"
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#include "xmpp/stanza.h"
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#include "xmpp/form.h"
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#include "xmpp/capabilities.h"
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static char *cache_loc;
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static GKeyFile *cache;
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static GHashTable *jid_to_ver;
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static GHashTable *jid_to_caps;
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static GHashTable *prof_features;
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static char *my_sha1;
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static void _save_cache(void);
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static EntityCapabilities* _caps_by_ver(const char *const ver);
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static EntityCapabilities* _caps_by_jid(const char *const jid);
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static EntityCapabilities* _caps_copy(EntityCapabilities *caps);
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void
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caps_init(void)
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{
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log_info("Loading capabilities cache");
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cache_loc = files_get_data_path(FILE_CAPSCACHE);
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if (g_file_test(cache_loc, G_FILE_TEST_EXISTS)) {
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g_chmod(cache_loc, S_IRUSR | S_IWUSR);
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}
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cache = g_key_file_new();
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g_key_file_load_from_file(cache, cache_loc, G_KEY_FILE_KEEP_COMMENTS, NULL);
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jid_to_ver = g_hash_table_new_full(g_str_hash, g_str_equal, free, free);
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jid_to_caps = g_hash_table_new_full(g_str_hash, g_str_equal, free, (GDestroyNotify)caps_destroy);
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prof_features = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
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g_hash_table_add(prof_features, strdup(STANZA_NS_CAPS));
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g_hash_table_add(prof_features, strdup(XMPP_NS_DISCO_INFO));
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g_hash_table_add(prof_features, strdup(XMPP_NS_DISCO_ITEMS));
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g_hash_table_add(prof_features, strdup(STANZA_NS_MUC));
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g_hash_table_add(prof_features, strdup(STANZA_NS_CONFERENCE));
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g_hash_table_add(prof_features, strdup(STANZA_NS_VERSION));
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g_hash_table_add(prof_features, strdup(STANZA_NS_CHATSTATES));
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g_hash_table_add(prof_features, strdup(STANZA_NS_PING));
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g_hash_table_add(prof_features, strdup(STANZA_NS_STABLE_ID));
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if (prefs_get_boolean(PREF_RECEIPTS_SEND)) {
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g_hash_table_add(prof_features, strdup(STANZA_NS_RECEIPTS));
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}
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if (prefs_get_boolean(PREF_LASTACTIVITY)) {
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g_hash_table_add(prof_features, strdup(STANZA_NS_LASTACTIVITY));
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}
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if (prefs_get_boolean(PREF_CORRECTION_ALLOW)) {
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g_hash_table_add(prof_features, strdup(STANZA_NS_LAST_MESSAGE_CORRECTION));
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}
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my_sha1 = NULL;
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}
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void
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caps_add_feature(char *feature)
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{
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if (g_hash_table_contains(prof_features, feature)) {
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return;
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}
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g_hash_table_add(prof_features, strdup(feature));
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caps_reset_ver();
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// resend presence to update server's disco info data for this client
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if (connection_get_status() == JABBER_CONNECTED) {
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resource_presence_t last_presence = accounts_get_last_presence(session_get_account_name());
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cl_ev_presence_send(last_presence, 0);
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}
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}
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void
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caps_remove_feature(char *feature)
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{
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if (!g_hash_table_contains(prof_features, feature)) {
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return;
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}
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g_hash_table_remove(prof_features, feature);
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caps_reset_ver();
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// resend presence to update server's disco info data for this client
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if (connection_get_status() == JABBER_CONNECTED) {
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resource_presence_t last_presence = accounts_get_last_presence(session_get_account_name());
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cl_ev_presence_send(last_presence, 0);
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}
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}
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GList*
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caps_get_features(void)
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{
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GList *result = NULL;
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GList *features_as_list = g_hash_table_get_keys(prof_features);
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GList *curr = features_as_list;
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while (curr) {
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result = g_list_append(result, strdup(curr->data));
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curr = g_list_next(curr);
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}
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g_list_free(features_as_list);
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GList *plugin_features = plugins_get_disco_features();
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curr = plugin_features;
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while (curr) {
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result = g_list_append(result, strdup(curr->data));
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curr = g_list_next(curr);
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}
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g_list_free(plugin_features);
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return result;
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}
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EntityCapabilities*
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caps_create(const char *const category, const char *const type, const char *const name,
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const char *const software, const char *const software_version,
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const char *const os, const char *const os_version,
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GSList *features)
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{
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EntityCapabilities *result = (EntityCapabilities *)malloc(sizeof(EntityCapabilities));
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if (category || type || name) {
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DiscoIdentity *identity = (DiscoIdentity*)malloc(sizeof(DiscoIdentity));
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identity->category = category ? strdup(category) : NULL;
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identity->type = type ? strdup(type) : NULL;
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identity->name = name ? strdup(name) : NULL;
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result->identity = identity;
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} else {
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result->identity = NULL;
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}
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if (software || software_version || os || os_version) {
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SoftwareVersion *software_versionp = (SoftwareVersion*)malloc(sizeof(SoftwareVersion));
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software_versionp->software = software ? strdup(software) : NULL;
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software_versionp->software_version = software_version ? strdup(software_version) : NULL;
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software_versionp->os = os ? strdup(os) : NULL;
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software_versionp->os_version = os_version ? strdup(os_version) : NULL;
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result->software_version = software_versionp;
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} else {
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result->software_version = NULL;
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}
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result->features = NULL;
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GSList *curr = features;
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while (curr) {
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result->features = g_slist_append(result->features, strdup(curr->data));
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curr = g_slist_next(curr);
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}
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return result;
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}
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void
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caps_add_by_ver(const char *const ver, EntityCapabilities *caps)
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{
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if (ver == NULL || caps == NULL) {
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return;
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}
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gboolean cached = g_key_file_has_group(cache, ver);
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if (cached) {
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return;
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}
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if (caps->identity) {
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DiscoIdentity *identity = caps->identity;
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if (identity->name) {
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g_key_file_set_string(cache, ver, "name", identity->name);
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}
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if (identity->category) {
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g_key_file_set_string(cache, ver, "category", identity->category);
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}
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if (identity->type) {
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g_key_file_set_string(cache, ver, "type", identity->type);
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}
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}
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if (caps->software_version) {
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SoftwareVersion *software_version = caps->software_version;
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if (software_version->software) {
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g_key_file_set_string(cache, ver, "software", software_version->software);
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}
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if (software_version->software_version) {
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g_key_file_set_string(cache, ver, "software_version", software_version->software_version);
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}
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if (software_version->os) {
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g_key_file_set_string(cache, ver, "os", software_version->os);
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}
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if (software_version->os_version) {
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g_key_file_set_string(cache, ver, "os_version", software_version->os_version);
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}
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}
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if (caps->features) {
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GSList *curr_feature = caps->features;
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int num = g_slist_length(caps->features);
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const gchar* features_list[num];
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int curr = 0;
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while (curr_feature) {
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features_list[curr++] = curr_feature->data;
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curr_feature = g_slist_next(curr_feature);
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}
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g_key_file_set_string_list(cache, ver, "features", features_list, num);
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}
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_save_cache();
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}
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void
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caps_add_by_jid(const char *const jid, EntityCapabilities *caps)
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{
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g_hash_table_insert(jid_to_caps, strdup(jid), caps);
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}
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void
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caps_map_jid_to_ver(const char *const jid, const char *const ver)
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{
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g_hash_table_insert(jid_to_ver, strdup(jid), strdup(ver));
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}
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gboolean
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caps_cache_contains(const char *const ver)
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{
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return (g_key_file_has_group(cache, ver));
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}
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EntityCapabilities*
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caps_lookup(const char *const jid)
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{
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char *ver = g_hash_table_lookup(jid_to_ver, jid);
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if (ver) {
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EntityCapabilities *caps = _caps_by_ver(ver);
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if (caps) {
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log_debug("Capabilities lookup %s, found by verification string %s.", jid, ver);
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return caps;
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}
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} else {
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EntityCapabilities *caps = _caps_by_jid(jid);
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if (caps) {
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log_debug("Capabilities lookup %s, found by JID.", jid);
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return _caps_copy(caps);
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}
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}
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log_debug("Capabilities lookup %s, none found.", jid);
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return NULL;
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}
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gboolean
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caps_jid_has_feature(const char *const jid, const char *const feature)
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{
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EntityCapabilities *caps = caps_lookup(jid);
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if (caps == NULL) {
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return FALSE;
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}
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GSList *found = g_slist_find_custom(caps->features, feature, (GCompareFunc)g_strcmp0);
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gboolean result = found != NULL;
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caps_destroy(caps);
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return result;
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}
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char*
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caps_get_my_sha1(xmpp_ctx_t *const ctx)
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{
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if (my_sha1 == NULL) {
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xmpp_stanza_t *query = stanza_create_caps_query_element(ctx);
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my_sha1 = stanza_create_caps_sha1_from_query(query);
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xmpp_stanza_release(query);
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}
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return my_sha1;
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}
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void
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caps_reset_ver(void)
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{
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if (my_sha1) {
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g_free(my_sha1);
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my_sha1 = NULL;
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}
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}
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void
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caps_close(void)
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{
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g_key_file_free(cache);
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cache = NULL;
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g_hash_table_destroy(jid_to_ver);
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g_hash_table_destroy(jid_to_caps);
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free(cache_loc);
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cache_loc = NULL;
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g_hash_table_destroy(prof_features);
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prof_features = NULL;
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}
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static EntityCapabilities*
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_caps_by_ver(const char *const ver)
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{
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if (!g_key_file_has_group(cache, ver)) {
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return NULL;
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}
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char *category = g_key_file_get_string(cache, ver, "category", NULL);
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char *type = g_key_file_get_string(cache, ver, "type", NULL);
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char *name = g_key_file_get_string(cache, ver, "name", NULL);
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char *software = g_key_file_get_string(cache, ver, "software", NULL);
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char *software_version = g_key_file_get_string(cache, ver, "software_version", NULL);
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char *os = g_key_file_get_string(cache, ver, "os", NULL);
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char *os_version = g_key_file_get_string(cache, ver, "os_version", NULL);
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gsize features_len = 0;
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gchar **features_list = g_key_file_get_string_list(cache, ver, "features", &features_len, NULL);
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GSList *features = NULL;
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if (features_list && features_len > 0) {
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int i;
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for (i = 0; i < features_len; i++) {
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features = g_slist_append(features, features_list[i]);
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}
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}
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EntityCapabilities *result = caps_create(
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category, type, name,
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software, software_version, os, os_version,
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features);
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g_free(category);
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g_free(type);
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g_free(name);
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g_free(software);
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g_free(software_version);
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g_free(os);
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g_free(os_version);
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if (features_list) {
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g_strfreev(features_list);
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}
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g_slist_free(features);
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return result;
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}
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static EntityCapabilities*
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_caps_by_jid(const char *const jid)
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{
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return g_hash_table_lookup(jid_to_caps, jid);
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}
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static EntityCapabilities*
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_caps_copy(EntityCapabilities *caps)
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{
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if (!caps) {
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return NULL;
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}
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const char *const categoty = caps->identity ? caps->identity->category : NULL;
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const char *const type = caps->identity ? caps->identity->type : NULL;
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const char *const name = caps->identity ? caps->identity->name : NULL;
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const char *const software = caps->software_version ? caps->software_version->software : NULL;
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const char *const software_version = caps->software_version ? caps->software_version->software_version : NULL;
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const char *const os = caps->software_version ? caps->software_version->os : NULL;
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const char *const os_version = caps->software_version ? caps->software_version->os_version : NULL;
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return caps_create(categoty, type, name, software, software_version, os, os_version, caps->features);
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}
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static void
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_disco_identity_destroy(DiscoIdentity *disco_identity)
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{
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if (disco_identity) {
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free(disco_identity->category);
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free(disco_identity->name);
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free(disco_identity->type);
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free(disco_identity);
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}
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}
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static void
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_software_version_destroy(SoftwareVersion *software_version)
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{
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if (software_version) {
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free(software_version->software);
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free(software_version->software_version);
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free(software_version->os);
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free(software_version->os_version);
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free(software_version);
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}
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}
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void
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caps_destroy(EntityCapabilities *caps)
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{
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if (caps) {
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_disco_identity_destroy(caps->identity);
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_software_version_destroy(caps->software_version);
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if (caps->features) {
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g_slist_free_full(caps->features, free);
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}
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free(caps);
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}
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}
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static void
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_save_cache(void)
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{
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gsize g_data_size;
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gchar *g_cache_data = g_key_file_to_data(cache, &g_data_size, NULL);
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g_file_set_contents(cache_loc, g_cache_data, g_data_size, NULL);
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g_chmod(cache_loc, S_IRUSR | S_IWUSR);
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g_free(g_cache_data);
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}
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